#fern_ally  pteridophytes of other classes than Filicopsida
  supertype:  #pteridophyte__nonflowering_plant  plants having vascular tissue and reproducing by spores
  subtype:  #whisk_fern__whiskfern  chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms; lacking roots
     subtype:  #skeleton_fork_fern__Psilotum_nudum  pantropical epiphytic or terrestrial whisk fern with usually dull yellow branches and minute leaves; America; Japan; Australia
  subtype:  #horsetail  perennial rushlike flowerless herbs with jointed hollow stems and narrow toothlike leaves that spread by creeping rhizomes; tend to become weedy; common in northern hemisphere; some in Africa and South America
     subtype:  #common_horsetail__field_horsetail__fieldhorsetail__Equisetum_arvense  of Eurasia and Greenland and North America
     subtype:  #swamp_horsetail__swamphorsetail__water_horsetail__Equisetum_fluviatile  Eurasia; northern North America to Virginia
     subtype:  #scouring_rush__rough_horsetail__roughhorsetail__Equisetum_hyemale__Equisetum_hyemale_robustum__Equisetum_robustum  evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils
     subtype:  #marsh_horsetail__marshhorsetail__Equisetum_palustre  scouring-rush horsetail widely distributed in wet or boggy areas of northern hemisphere
     subtype:  #wood_horsetail__Equisetum_Sylvaticum  Eurasia except southern Russia; northern North America
     subtype:  #variegated_horsetail__variegated_scouring_rush__Equisetum_variegatum  northern North America; Greenland; northern and central Europe
  subtype:  #club_moss__clubmoss__lycopod  primitive evergreen mosslike plant with spores in club-shaped strobiles
     subtype:  #shining_clubmoss__Lycopodium_lucidulum  a variety of clubmoss
     subtype:  #alpine_clubmoss__Lycopodium_alpinum  a variety of clubmoss
     subtype:  #fir_clubmoss__mountain_clubmoss__little_clubmoss__Lycopodium_selago  of northern Europe and America; resembling a miniature fir
     subtype:  #ground_pine__Christmas_green  any of several club mosses having long creeping stems and erect branches
        subtype:  #running_pine__runningpine__lycopodiumclavitum  a variety of clubmoss
        subtype:  #ground_cedar__staghorn_moss__Lycopodium_complanatum  a variety of clubmoss
        subtype:  #ground_fir__princess_pine__tree_clubmoss__Lycopodium_obscurum  a variety of clubmoss
        subtype:  #foxtail_grass__foxtailgras__Lycopodium_alopecuroides  ground pine thickly covered with bristly leaves; widely distributed in barren sandy or peaty moist coastal regions of eastern and southeastern United States
     subtype:  #spikemoss__spikemos__spikemos__littleclubmos  any of numerous fern allies of the genus Selaginella
        subtype:  #meadow_spikemoss__basket_spikemoss__Selaginella_apoda  spikemoss forming dense mats; eastern North America
        subtype:  #rock_spikemoss__dwarf_lycopod__dwarflycopod__Selaginella_rupestris  tufted spikemoss forming loose spreading mats; eastern North America
        subtype:  #desert_selaginella__Selaginella_eremophila  prostrate spikemoss; California
        subtype:  #resurrection_plant__rose_of_Jericho__Selaginella_lepidophylla  densely tufted fern ally of southwestern United States to Peru; curls up in a tight ball when dry and expands and grows under moist conditions
        subtype:  #florida_selaginella__floridaselaginella__Selaginella_eatonii  occurs widely in Florida
  subtype:  #quillwort  any of several spore-bearing aquatic or marsh plants having short rhizomes and leaves resembling quills; worldwide except Polynesia

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